Leases - Summary of Operating and Finance Leases (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 30, 2022	Jul. 31, 2021	Jul. 30, 2022	Jul. 31, 2021	Jan. 29, 2022
Assets
Operating leases	$ 2,296	$ 2,301	$ 2,296	$ 2,301	$ 2,248
Finance leases	$ 2,114	$ 1,226	$ 2,114	$ 1,226	$ 1,442
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property and equipment, net	Property and equipment, net	Property and equipment, net	Property and equipment, net	Property and equipment, net
Total operating and finance leases	$ 4,410	$ 3,527	$ 4,410	$ 3,527	$ 3,690
Current liabilities:
Operating leases	108	143	108	143	145
Finance leases	$ 78	$ 83	$ 78	$ 83	$ 87
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Finance Lease Liability And Financing Obligation Current	Finance Lease Liability And Financing Obligation Current	Finance Lease Liability And Financing Obligation Current	Finance Lease Liability And Financing Obligation Current	Finance Lease Liability And Financing Obligation Current
Noncurrent
Operating leases	$ 2,568	$ 2,532	$ 2,568	$ 2,532	$ 2,479
Finance leases	$ 2,381	$ 1,457	$ 2,381	$ 1,457	$ 1,688
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Finance Lease Liability And Financing Obligation Noncurrent	Finance Lease Liability And Financing Obligation Noncurrent	Finance Lease Liability And Financing Obligation Noncurrent	Finance Lease Liability And Financing Obligation Noncurrent	Finance Lease Liability And Financing Obligation Noncurrent
Total operating and finance leases	$ 5,135	$ 4,215	$ 5,135	$ 4,215	$ 4,399
Income Statement
Operating leases	64	79	133	156
Finance leases
Amortization of leased assets	32	23	61	43
Interest on leased assets	36	27	68	52
Total operating and finance leases	$ 132	$ 129	262	251
Cash paid for amounts included in the measurement of leased liabilities
Operating cash flows from operating leases			135	165
Operating cash flows from finance leases			65	52
Financing cash flows from finance leases			$ 44	$ 47